You can turn off text selection within any page element by setting -ms-user-select to "none". The user won't be able to start a selection within the specified block of text. However, if the user started selecting text on a different area of the page, the selection can continu...
二、UI元素状态伪类 我们把":enabled",":disabled",":checked"伪类称为UI元素状态伪类,这些主要是针对于HTML中的Form元素操作,最常见的比如我们"type="text"有enable和disabled两种状态,前者为可写状态后者为不可状态;另外"type="radio"和"type="checkbox""有"checked"和"unchecked"两种状态。来看两个实例,比如说...
5、UI元素状态伪类选择器 有 enable 和 disabled 两种状态,前者为可写状态后者为不可写状态 和 有 checked 和 unchecked 两种状态。 1 2 3 4 5 6 input[type="text"]:disabled { } /** 下面对所选中的的复选框设置样式 **/ input[type="checkbox"]:checked { } 5、CSS3伪类选择器 :nth-child...
2、UI元素状态伪类 我们把":enabled",":disabled",":checked"伪类称为UI元素状态伪类,这些主要是针对于HTML中的Form元素操作,最常见的比如我们"type="text"有enable和disabled两种状态,前者为可写状态后者为不可状态;另外"type="radio"和"type="checkbox""有"checked"和"unchecked"两种状态。来看两个实例,比如说...
CSS的选择器样式的覆盖机制 如在dom元素中声明： helloworld // fail .second{ color: ...
":enable" —— 选择每个启用的该标签 ":disable" —— 选择每个禁用的该标签 ":checked" —— 选择每个被选中的该标签 ":focus" —— 选择每个获得焦点的该标签 ":first-of-type" —— 选择该种标签是其父元素的第一个 例如:p:first-of-type,则会选择到p标签元素是其父元素的第一个的p标签元素 ...
If you wanted to apply this to the whole document then you can apply the styling to the body element and then if you want to re-enable it for certain elements you can then use the:user-select: none; More CSS guidesNow that you know more about disabling text selection in CSS, here ...
enable:当表单元素未禁止时被触发 disable:当表单元素禁止时被触发 focus: 当表单元素被聚焦时触发 checked:当表单元素被选择时触发 来看下面一段代码: // html // css input:enabled { background: red; } input:disabled { background: blue; } input:focus...
6. input:enable 选择到能被cao操作的input框 input:enabled{ background:yellow; } input:disabled{ background:red; } //一般可以写内容的都是可以被操作的,加上disabled的属性和disabled的值的是不可以被操作的 7. input:checked 选择到被选中
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